the standard deviation of a distribution of a sample statistic, especially when the mean is used as the statistic.
Origin of standard error
First recorded in 1895–1900
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statistics the estimated standard deviation of a parameter, the value of which is not known exactly
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The standard deviations of the sample in a frequency distribution, obtained by dividing the standard deviation by the total number of cases in the frequency distribution.
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